| /* |
| * Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion final Zone parent |
| * Returns the parent zone. |
| * Returns null if this is the ROOT zone. |
| * @description Checks that parent property has expected values. |
| * @author ilya |
| */ |
| |
| import "dart:async"; |
| //import "../../../Utils/async_utils.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| var count=0; |
| var N=20; |
| |
| test(Zone z) { |
| z.fork().run(() { |
| Expect.equals(z, Zone.current.parent); |
| if (++count < N) { |
| test(Zone.current); |
| } |
| }); |
| } |
| |
| main() { |
| Expect.isNull(Zone.ROOT.parent); |
| |
| var z = Zone.current; |
| |
| runZoned(() { |
| Expect.equals(z, Zone.current.parent); |
| }); |
| |
| test(Zone.current); |
| } |